<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        div {
          width: 600px;
          height: 400px;
          background-color: pink;
          /* 设置背景图 */
          background-image: url(./img/2.png);
          /* 设置背景图片平铺 */
          /* 
          1 不平铺 no-repeat
          2 横向 平铺 repeat-x
          3 纵向 平铺 repeat-y
           */
          background-repeat: no-repeat;
    
          /* 背景图片大小 */
          /* background-size: 200px 50px; */
          /* background-size: 200px; */
          /* background-size: contain; */
          /* background-size: cover; */
    
          /* 背景图的位置 */
          /*  
          九宫格
          1 top left 
          2 center center
           */
          background-position: center center;
    
          /* background-position: 100px 0px; */
    
        }
      </style>
</head>
<body>
    <div></div>
</body>
</html>